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X-Sonic-MF: X-Sonic-ID: 40486ca7-fdc9-4805-ba20-03840c2e2aac Received: from sonic.gate.mail.ne1.yahoo.com by sonic302.consmr.mail.ir2.yahoo.com with HTTP; Wed, 15 Mar 2023 15:12:04 +0000 Date: Wed, 15 Mar 2023 15:11:18 +0000 (UTC) From: Martin Olsson To: Arno Wagner Cc: "cryptsetup@lists.linux.dev" Message-ID: <885982240.717525.1678893078734@mail.yahoo.com> In-Reply-To: <20230310011952.GA1141@tansi.org> References: <1738775229.2387123.1678372528163.ref@mail.yahoo.com> <1738775229.2387123.1678372528163@mail.yahoo.com> <20230310011952.GA1141@tansi.org> Subject: Re: Password hash as LUKS key Precedence: bulk X-Mailing-List: cryptsetup@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailer: WebService/1.1.21311 YMailNorrin On Fri 10, Mar 10, 2023 at 02:19:54 CET, Arno Wagner wrote: >You probably have an issue with line endings. In priciple, >this works and is supported, but interactive, pipe and >read-from-file are all a bit different. I see maybe it's something wrong with the way I'm going about this. The following are the commands I'm running: mkpasswd (asks me to enter a password, I enter test) Password: $y$j9T$35ITJ7yCc3kFUsasf3QDa/$n.HqacKYHPIEE6VxIHhT2vW8.7vfh.fn008SQS5ETb9 printf "%s\n%s\n%s\n" "12345" "$y$j9T$35ITJ7yCc3kFUsasf3QDa/$n.HqacKYHPIEE6VxIHhT2vW8.7vfh.fn008SQS5ETb9"| sudo /sbin/cryptsetup luksAddKey /dev/sda3 (12345 is an existing key, and the password hash is test) printf "test" | sudo cryptsetup luksOpen --test-passphrase /dev/sda3 && echo "There is a key available with this passphrase." No key available with this passphrase. (this shows that test doesn't work to unlock the encrypted partition) >The man-page has more info on this. Best try it out with a >really simple password like "test". Could you point me to what section I should look at? The man page does mention hash options but they relate to the encryption of the partition rather than the password I input to cryptsetup. BR, Martin